77397880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{3499}}^1$

素因数の和:3596

約数の個数: 64

約数和(自身を含む): 201600000

約数和(自身を除く): 124202120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 79, 140, 158, 280, 316, 395, 553, 632, 790, 1106, 1580, 2212, 2765, 3160, 3499, 4424, 5530, 6998, 11060, 13996, 17495, 22120, 24493, 27992, 34990, 48986, 69980, 97972, 122465, 139960, 195944, 244930, 276421, 489860, 552842, 979720, 1105684, 1382105, 1934947, 2211368, 2764210, 3869894, 5528420, 7739788, 9674735, 11056840, 15479576, 19349470, 38698940, 77397880]

約数ペア:

[(1, 77397880), (2, 38698940), (4, 19349470), (5, 15479576), (7, 11056840), (8, 9674735), (10, 7739788), (14, 5528420), (20, 3869894), (28, 2764210), (35, 2211368), (40, 1934947), (56, 1382105), (70, 1105684), (79, 979720), (140, 552842), (158, 489860), (280, 276421), (316, 244930), (395, 195944), (553, 139960), (632, 122465), (790, 97972), (1106, 69980), (1580, 48986), (2212, 34990), (2765, 27992), (3160, 24493), (3499, 22120), (4424, 17495), (5530, 13996), (6998, 11060)]